sql - Import dump file -

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i totally new in oracle world , need help. installed oracle free version oraclexe112_win64 , has got dump file need import. there can guide me how it? thank's

can tell me happens here when import dump file. following:

username: system  password:  connected to: oracle database 11g express edition release 11.2.0.2.0 - production import data (yes/no): no > yes import file: expdat.dmp > c:\buildings22.dmp  enter insert buffer size (minimum 8192) 30720> 30720  export file created export:v11.01.00 via conventional path warning: objects exported buildings22, not import done in we8mswin1252 character set , al16utf16 nchar character set import server uses al32utf8 character set (possible charset conversion) list contents of import file (yes/no): no > yes imp-00402: invalid parameter "show" data_only mode  imp-00000: import terminated unsuccessfully

how can check if import dump file? how can display content of dump file, tables in oracle sql developer? apologize issues, brand new in oracle?


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